FR2274042A1 - Appareil de detection de defauts de pieces metalliques - Google Patents

Appareil de detection de defauts de pieces metalliques

Info

Publication number
FR2274042A1
FR2274042A1 FR7419160A FR7419160A FR2274042A1 FR 2274042 A1 FR2274042 A1 FR 2274042A1 FR 7419160 A FR7419160 A FR 7419160A FR 7419160 A FR7419160 A FR 7419160A FR 2274042 A1 FR2274042 A1 FR 2274042A1
Authority
FR
France
Prior art keywords
impedance
impedances
bridge
probe
output
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
FR7419160A
Other languages
English (en)
French (fr)
Other versions
FR2274042B1 (enExample
Inventor
Pierre Nachbaur
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SORIEL
Original Assignee
SORIEL
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by SORIEL filed Critical SORIEL
Priority to FR7419160A priority Critical patent/FR2274042A1/fr
Publication of FR2274042A1 publication Critical patent/FR2274042A1/fr
Application granted granted Critical
Publication of FR2274042B1 publication Critical patent/FR2274042B1/fr
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/72—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables
    • G01N27/82—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws
    • G01N27/90—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws using eddy currents
    • G01N27/9046—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws using eddy currents by analysing electrical signals

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
FR7419160A 1974-06-04 1974-06-04 Appareil de detection de defauts de pieces metalliques Granted FR2274042A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7419160A FR2274042A1 (fr) 1974-06-04 1974-06-04 Appareil de detection de defauts de pieces metalliques

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7419160A FR2274042A1 (fr) 1974-06-04 1974-06-04 Appareil de detection de defauts de pieces metalliques

Publications (2)

Publication Number Publication Date
FR2274042A1 true FR2274042A1 (fr) 1976-01-02
FR2274042B1 FR2274042B1 (enExample) 1976-10-15

Family

ID=9139577

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7419160A Granted FR2274042A1 (fr) 1974-06-04 1974-06-04 Appareil de detection de defauts de pieces metalliques

Country Status (1)

Country Link
FR (1) FR2274042A1 (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3248534A1 (de) * 1982-12-29 1984-07-12 Rinat Šagavaleevič Šagabeev Elektromagnetisches defektoskop

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3248534A1 (de) * 1982-12-29 1984-07-12 Rinat Šagavaleevič Šagabeev Elektromagnetisches defektoskop

Also Published As

Publication number Publication date
FR2274042B1 (enExample) 1976-10-15

Similar Documents

Publication Publication Date Title
AU8052187A (en) Magnetic flux leakage probe with radially offset coils for use in nondestructives testing of pipes and tubes
SE8303874D0 (sv) Apparat for detektering av sprickor
GB1285639A (en) Method of and apparatus for testing the inside diameter of pipes
FR2274042A1 (fr) Appareil de detection de defauts de pieces metalliques
GB1534673A (en) Eddy current measuring bridge
ES380514A1 (es) Procedimiento y aparato para determinar el contenido de ferrido en una muestra medida de material.
DE69207200D1 (de) IMMUNTEST ZUM GLEICHZEITIGEN NACHWEIS VON HIV-1, HIV-2, HTLV-I und HTLV-II ANTIKÖRPERN
GB2008756A (en) Ultrasonic Inspection of Tubes
JPH0149899B2 (enExample)
Libby Eddy current test for tubing flaws in support regions
DE3477969D1 (en) Method of detecting partial discharges and device for carrying it out
JPS56110048A (en) Detector for detecting turbulence flaw
JPS5223389A (en) Eddy current flaw detection method for internal surfaces of steel pipe s
JPS53106087A (en) Method and apparatus of eddy current ultrasonic flaw detection
Kamimura Experimental studies on detectability of remote field eddy current testing method
RU2034235C1 (ru) Способ измерения глубины дефекта в ферромагнитном изделии и устройство для его осуществления
Polyankin et al. Flaw detection in piezoelectric ceramic acoustic radiators by means of a thermovisor.
Berke Ultrasonic Measurement of Wall Thickness-- Rapid and Accurate Measurement From One Side of the Workpiece
SU1015290A1 (ru) Феррозондовый дефектоскоп
SU1746253A1 (ru) Консистомер
JPS56150349A (en) Probe for eddy current flaw detection and flaw detecting method
SU656384A1 (ru) Способ контрол физико-механических па-PAMETPOB МНОгОСлОйНыХ цилиНдРичЕСКиХиздЕлий
TOHJIMA et al. Sounding System for Detection of Defects in Pipe-Like Object Using Nonlinear Effect of Ultrasonics
JPS5250780A (en) Apparatus for inspecting defects of steel products
JPS5269392A (en) Bacteria inspecting device

Legal Events

Date Code Title Description
ST Notification of lapse